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Utilnivo

SEO & Webmaster

Utilnivo

Schema Validator

Validate JSON-LD structured data blocks in HTML.

No registration
  • On your device

Browse more in SEO & Webmaster or all tools.

Private on your device

Your information stays on your device and is not uploaded.

Related tools

Paste page HTML or raw JSON-LD to find script blocks, validate JSON syntax, and flag missing @context or @type properties.

How to use this tool

1. Paste page HTML or a JSON-LD script block. 2. Run validation to list each block and any errors or warnings. 3. Fix invalid JSON or missing @context/@type before deploying.

Worked example

Example: a Product schema missing @context triggers a warning so you can add "https://schema.org" before publishing.

How it works

Paste HTML or raw JSON-LD to extract structured data blocks and validate JSON syntax, @context, and @type fields for common schema issues.

Limitations

Validation checks JSON-LD syntax and common fields. It does not verify rich-result eligibility with Google.

Privacy and file handling

Your data stays on your device and is not uploaded.

FAQ

Frequently asked questions

Is Schema Validator free?

Yes. It is free to use and you do not need to sign in or create an account.

Is my data private?

See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.

Can I use Schema Validator on mobile?

Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.

Part of these workflows

This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.

Related pages

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